.div{
    width: 100%;
    margin: auto;
    height: 100vh;
    background-color: #F8F8FE;
}
.top{
    width: 100%;
    height: 60px;
    background:white;
    text-align: center;
    font-size: 20px;
    line-height: 60px;
    position: relative;
    .icon{
        position: absolute;
        left: 0;
        margin-left: 20px;
    }
}


